The S3C7524/C7528/P7528/C7534/C7538/P7538 is a high-performance single-chip CMOS microcontroller designed using SAM 47 (Samsung Arrangeable Microcontrollers). It features low energy consumption and low operating voltage, and can be configured with either 4K or 8K bytes of ROM.
The Samsung S3C7524, S3C7528, S3C7534 and S3C7538 are single‑chip CMOS microcontrollers based on the SAM 47 4‑bit CPU core. They target telecommunication applications and are offered in standard ROM and one‑time‑programmable (OTP) versions.
The document provides detailed specifications, pin assignments, memory configurations, timing features and programming procedures for the OTP variants.
| ROM size options | 4 KB or 8 KB |
|---|---|
| I/O pins (42‑SDIP / 44‑QFP) | up to 35 pins |
| Operating temperature | -40 °C to 85 °C |
| Operating voltage | 20 V to 55 V |
| Package types | 42‑pin SDIP, 44‑pin QFP, 30‑pin SDIP, 32‑pin SOP |
| Main system clock frequency | 0.4 MHz – 6.0 MHz (typical) |
They are offered with either 4 KB or 8 KB of ROM.
The devices operate from –40 °C up to 85 °C.
Up to 35 pins can be assigned as I/O in the 42‑pin SDIP version.
They support an operating voltage between 20 V and 55 V.